k2.8 preview
k2.8 preview has 2 tested configurations. Its highest published overall score is 63.55 at high. See the axis results, time and cost below.
Overall score63.55
k2.8 preview · high
- Backend engineering
- 54
- Frontend interaction
- 72
- Knowledge & reasoning
- 70
- Visual aesthetics
- 57
- Maintainability
- 53
- Evaluation time
- 70m 58s
- Reference cost
- $0.66
Complete evaluation · API reference cost
Score breakdown
- Overall
- 63.55
- Evaluation time
- 70m 58s
- Reference cost
- $0.66
Service logic, error handling and verification.
Contracts and boundaries9 / 20
API contracts, input validation and boundary behavior.
Retries and failures15 / 20
Recovery, retry conditions and failure handling.
CI and adversarial review14 / 20
Verification plans, risk detection and audit evidence.
Transactions and consistency9 / 20
State transitions, concurrency and consistency.
Caching and regression7 / 20
Invalidation, data updates and regression coverage.
What changes with more effort
Compare scores, cost and time at neighboring tested efforts.
high max
- Overall score
- — 63.55 → —
- Reference cost
- — $0.66 → —
- Evaluation time
- — 70m 58s → —
Results by reasoning effort
Swipe to see all results →
| Model / effort | Overall | Backend engineering | Frontend interaction | Knowledge & reasoning | Visual aesthetics | Maintainability | Evaluation time | Reference cost | Compare |
|---|---|---|---|---|---|---|---|---|---|
| high | 63.55 | 54 | 72 | 70 | 57 | 53 | 70m 58s | $0.66 | |
| max | — | — | — | 70 | — | — | 53m 24s | $0.59 |
Data snapshot published · 10/13/2026Scoring & cost notes